<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta http-equiv="X-UA-Compatible" content="IE=edge">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>test</title>
    <link href="CSS/style.css" rel="stylesheet" />
    
</head>
<body background="pic/04.jpg" style="background-repeat: no-repeat;
background-size: 100% 100%; background-attachment: fixed;">
    <div  class="Box">
        <form>
            <div class="yhm">
                用户名：<input id = "username" type = "text" value = "" maxlength="3"><br>
            </div>
            <div class="nl">
                年龄：<input id = "age" type = "text" value = "" maxlength="2">
            </div>
            <div class="dz">
                <div class="dl">
                    <input id="box1" type = "button" value = "登录" onclick="send_post()">
                </div>
                <div class="zc">
                   <input id="box2" type = "button" value = "注册" onclick="send_post()">
                </div>
            </div>
        </form>
    </div>
    <script scr="初识js之post请求.js"></script>
</body>
</html>